27x8.50R14 tire size
27x8.50R14 is a flotation (inch) size: 27.0" tall, 8.5" wide, on a 14" rim — about a 220/75R14. The sidewall is 6.5" and the tire turns 747 times per mile.
27x8.50R14 specs
| Overall diameter (height) | 27.00" · 686 mm |
|---|---|
| Section width | 8.50" · 216 mm |
| Sidewall height | 6.50" · 165 mm (76% of width) |
| Rim diameter | 14" |
| Circumference | 84.82" · 2.155 m |
| Revolutions per mile | 747 (464 per km) |
| Closest metric size | 220/75R14 |
Equivalent sizes on a 14" rim
Sizes within ±5% of the overall diameter. Green rows are inside the usual ±3% limit for keeping the speedometer, ABS and gearing right; red rows are bigger changes that need clearance checks.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 215/75R14 | 26.70" | -1.12% | -1 mm | 59.3 mph | calculate → |
| 225/70R14 | 26.40" | -2.22% | +9 mm | 58.7 mph | calculate → |
| 27x11.00R14 | 27.00" | 0.00% | +63 mm | 60.0 mph | calculate → |
| 27x9.50R14 | 27.00" | 0.00% | +25 mm | 60.0 mph | calculate → |
| 27x9.00R14 | 27.00" | 0.00% | +13 mm | 60.0 mph | calculate → |
| 205R14 | 27.24" | +0.87% | -11 mm | 60.5 mph | calculate → |
| 195R14 | 26.59" | -1.52% | -21 mm | 59.1 mph | calculate → |
Try another size against 27x8.50R14
Questions
What size is 27x8.50R14 in inches?
27x8.50R14 is about 27.0" tall and 8.5" wide on a 14-inch rim — roughly a 220/75R14 in inch sizing.
What does 27x8.50R14 mean?
27" overall diameter, 8.50" section width, radial, 14" rim.
What tire sizes are equivalent to 27x8.50R14?
On the same 14" rim, within 3% of the diameter: 27x11.00R14 (0.00%), 27x9.50R14 (0.00%), 27x9.00R14 (0.00%), 205R14 (+0.87%), 215/75R14 (-1.12%), 195R14 (-1.52%).
How many revolutions per mile does a 27x8.50R14 tire make?
About 747 revolutions per mile (circumference 84.8").
How these numbers are computed
Diameter = rim + 2 × sidewall, sidewall = width × aspect ÷ 100, circumference = π × diameter, revolutions per mile = 63,360 ÷ circumference. Real tires differ by brand by a few tenths of an inch. Last reviewed October 14, 2026.